12206658256 has 40 divisors (see below), whose sum is σ = 26577048960. Its totient is φ = 5388890496.

The previous prime is 12206658253. The next prime is 12206658263. The reversal of 12206658256 is 65285660221.

12206658256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12206658253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1270996 + ... + 1280563.

It is an arithmetic number, because the mean of its divisors is an integer number (664426224).

Almost surely, 2^12206658256 is an apocalyptic number.

12206658256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12206658256 is an abundant number, since it is smaller than the sum of its proper divisors (14370390704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12206658256 is a wasteful number, since it uses less digits than its factorization.

12206658256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551603 (or 2551597 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 12206658256 in words is "twelve billion, two hundred six million, six hundred fifty-eight thousand, two hundred fifty-six".